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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:38  
clear_day Transit: 11:46  
SunsetSet: 15:54 south
sleep NighttimeWhat's Visible Now?
All Constellations » Cepheus » 

HR8112

Altitude: 52.7°   Azimuth: 340.7°   Direction: North-North-West

HR8112 is a main-sequence star in the constellation of Cepheus.

HR8112 visual magnitude is 5.91. Because of its reltive faintness, HR8112 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR8112:

5.91
Main-sequence

HR8112 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 52.7°
Azimuth: 340.7°
Direction: North-North-West

Celestial coordinates and finder chart of HR8112

HR8112 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8112 are provided in the following table:

21h 05m 29s
+78° 07’ 35”
112.4°
20.19°
Cepheus

The simplified sky map below shows the position of HR8112 in the sky:

Finder chart HR8112 star
Simplified finder chart for HR8112.

Visibility of HR8112 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR8112 is circumpolar and transits at 16:32 UTC (altitude: 63.4°)

Digitized Sky Survey image of HR8112

The image below is a photograph of HR8112 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR8112 is 0.02 arcsec per year in Right Ascension and 0.029 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8112 star
DSS2 image of HR8112. The red arrow shows the motion of HR8112 during the next 10000 years (3.33 arcmin in Right Ascension and 4.83 arcmin in declination);

Distance of HR8112 from the Sun and relative movement

HR8112 is distant 412.14 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

126.42 pc
412.14 ly
-16 km/s
0.02 arcsec/year
0.029 arcsec/year

Spectral properties of HR8112

HR8112 belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.

0.40
B8V
11092K

The red dot in the diagram below shows where HR8112 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8112. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8112

SAO9959
SAO9959